.TH std::experimental::filesystem::file_time_type 3 "2024.06.10" "http://cppreference.com" "C++ Standard Libary"
.SH NAME
std::experimental::filesystem::file_time_type \- std::experimental::filesystem::file_time_type

.SH Synopsis
   Defined in header <experimental/filesystem>
   using file_time_type = chrono::time_point</*trivial-clock*/>;  (filesystem TS)

   Represents file time. trivial-clock is an implementation-defined type that satisfies
   TrivialClock and is sufficient to represent the resolution and range of the file
   time values offered by the filesystem.

.SH Example


// Run this code

 #include <chrono>
 #include <experimental/filesystem>
 #include <fstream>
 #include <iomanip>
 #include <iostream>
 namespace fs = std::experimental::filesystem;
 using namespace std::chrono_literals;

 int main()
 {
     fs::path p = fs::current_path() / "example.bin";
     std::ofstream(p.c_str()).put('a'); // create file
     auto ftime = fs::last_write_time(p);

     std::time_t cftime = decltype(ftime)::clock::to_time_t(ftime); // assuming system_clock
     std::cout << "File write time is " << std::asctime(std::localtime(&cftime)) << '\\n';

     fs::last_write_time(p, ftime + 1h); // move file write time 1 hour to the future
     ftime = fs::last_write_time(p); // read back from the filesystem

     cftime = decltype(ftime)::clock::to_time_t(ftime);
     std::cout << "File write time is " << std::asctime(std::localtime(&cftime)) << '\\n';
     fs::remove(p);
 }

.SH Possible output:

 File write time is Tue Mar 31 19:47:04 2015

 File write time is Tue Mar 31 20:47:04 2015

.SH See also

   last_write_time gets or sets the time of the last data modification
                   \fI(function)\fP

.SH Category:
     * Noindexed pages
